6342763664 has 20 divisors (see below), whose sum is σ = 12293578860. Its totient is φ = 3170227200.

The previous prime is 6342763639. The next prime is 6342763703. The reversal of 6342763664 is 4663672436.

It can be written as a sum of positive squares in 2 ways, for example, as 1651609600 + 4691154064 = 40640^2 + 68492^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25949 + ... + 115580.

It is an arithmetic number, because the mean of its divisors is an integer number (614678943).

Almost surely, 2^6342763664 is an apocalyptic number.

It is an amenable number.

6342763664 is a deficient number, since it is larger than the sum of its proper divisors (5950815196).

6342763664 is a wasteful number, since it uses less digits than its factorization.

6342763664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144338 (or 144332 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 47.

The square root of 6342763664 is about 79641.4694992502. The cubic root of 6342763664 is about 1851.0842112124.

The spelling of 6342763664 in words is "six billion, three hundred forty-two million, seven hundred sixty-three thousand, six hundred sixty-four".